CN102615342A - Cutting machine - Google Patents

Abstract

The invention discloses a cutting machine. The cutting machine comprises a worktable, a connecting piece which is connected with the worktable, a supporting frame which is connected with the connecting piece, and a cutting unit which is pivotally connected with the supporting frame, wherein the cutting unit comprises a motor and a saw blade which is rotated and driven by the motor; and the supporting frame is pivotally connected to the connecting piece around the axis perpendicular to the worktable, and is fixed at at least two preset working positions, so that the cutting machine only cuts at the preset working positions. Therefore, the cutting machine has a relatively high cutting ability and relatively high cutting accuracy.

Description

Cutting machine

Technical field

The present invention relates to a kind of cutting machine, relate in particular to a kind of cutting machine with higher cutting power.

Background technology

Traditional cutting machine has very wide range of application as a kind of cutting tool, can be used to cut a lot of metals or nonmetallic materials, cuts efficient and convenient.Cutting machine generally comprises workbench, is positioned at the cutter unit with motor and saw blade of workbench top, is arranged on the guardrail that is used on the workbench to the workpiece location; Wherein workbench is provided with the cutting groove that longitudinally extends; Saw blade can at least partly stretch in this cutting groove; Cutter unit is around rotatably connecting with workbench with the relatively-stationary pivotal axis of workbench, is used for cut workpiece.It is constant that but the distance in traditional cutting machine between pivotal axis and the guardrail keeps; Like this; Just limited its cutting power, that is to say, its specification of workpieces of allowing cutting limits within the specific limits; Make its workpiece that can not cut more specifications, thereby make cutting machine can not satisfy operator's demand fully.

Summary of the invention

The technical problem that the present invention will solve: a kind of cutting machine with higher cutting power and cutting accuracy is provided.

The present invention solves the technical scheme that first technical problem adopts: a kind of cutting machine, comprise workbench, have supporting workpiece the workbench supporting surface, be arranged at the cutting groove that extends along lengthwise on the said workbench; Connector is connected with said workbench; Bracing frame is connected with said connector; Cutter unit is rotatably connected on support frame as described above and has the upright position with respect to said workbench around first axle, and said cutter unit comprises motor and the saw blade that is driven by the motor rotation, and said saw blade part at least stretches into said cutting groove; Support frame as described above is rotatably connected to and makes bracing frame move on the bearing of trend of said cutting groove with respect to connector on the said connector; And support frame as described above is fixed at least two predetermined operating positions with respect to said connector, and said cutting machine only carries out cutting work in said predetermined operating position.

Compared with prior art; Beneficial effect of the present invention: be arranged on bracing frame on the connector rotationally; Make bracing frame on the bearing of trend of cutting groove, to move with respect to connector; So improve the cutting power of cutting machine, and also can avoid the friction of generation of sliding, thereby improved the comfortableness of this cutting machine operation through rotating to realize moving.Add upper support frame and fix with respect to connector in predetermined operating position, when so cutting at least two predetermined operating positions, cutter unit can not produce mobile on the bearing of trend of cutting groove, thereby has improved cutting accuracy.

Support frame as described above is rotatably connected on the said connector around second axis, and said second axis and said first axle laterally arrange.

Said cutting machine has in the upright position perpendicular to said workbench supporting surface and passes the datum plane of second axis, and said first axle is symmetrical set with respect to said datum plane when at least two predetermined operating positions.

Said cutting machine further comprises the retaining mechanism that support frame as described above is fixed on said at least two predetermined operating positions.

Said retaining mechanism comprise mobilizablely be arranged on operating parts on the bracing frame, be arranged on the connector counterpart and under the operating parts effect at the locking member that moves between the locked position that cooperates with counterpart and disengagement and the released position that counterpart cooperates.

Said operating parts is installed on the support frame as described above through the lock shaft that is parallel to said first axle is rotating.

On said lock shaft, be provided with the actuator that is used to connect locking member, said operating parts impels locking member between locked position and released position, to move through said actuator.

Said actuator is symmetricly set on the two ends of said lock shaft, and said operating parts is between said two actuators.

Said retaining mechanism further comprises the connecting rod that is used to connect locking member and actuator, and first end of said connecting rod pivots with said actuator through first pin and is connected; Second end of said connecting rod is connected with said locking member through second pin.

Support frame as described above is provided with the gathering sill that lengthwise extends, and said gathering sill is used to accommodate said locking member, and the relative support frame as described above of said operating parts rotates, and impels said locking member to move along the bearing of trend of said gathering sill.

Said counterpart is arranged on the mating groove on the connector.

Support frame as described above comprises left plate, right plate and is connected the connecting plate of left and right side plate, and said left and right side plate is symmetrical set with respect to said connecting plate.

Said left and right side plate and said connecting plate are formed for accommodating the receiving space of said connector.

Description of drawings

Fig. 1 is the schematic perspective view of cutting machine in the embodiment of the invention, and cutter unit is in upper limit position.

Fig. 2 is the schematic perspective view of cutting machine in the embodiment of the invention, and cutter unit is in the lower position.

Fig. 3 is the sectional perspective exploded view of cutting machine in the embodiment of the invention.

Fig. 4 is the schematic perspective view that cutting machine has been removed base and cutter unit in the embodiment of the invention.

Fig. 5 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in the lower position and is in first operating position.

Fig. 6 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in the lower position and is in second operating position.

Fig. 7 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in upper limit position and is in first operating position.

Fig. 8 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in upper limit position and is in second operating position.

Fig. 9 is the cut-away view of the retaining mechanism of cutting machine in the embodiment of the invention, and is in locked position.

Figure 10 is the cut-away view of the retaining mechanism of cutting machine in the embodiment of the invention, and is in the released position.

Figure 10 is the part schematic perspective view of cutting machine in the embodiment of the invention.

Figure 11 is the schematic perspective view of cutting machine in the embodiment of the invention.

Figure 12 is the part schematic perspective view of cutting machine in the embodiment of the invention.

Figure 13 is the part schematic perspective view of cutting machine in the embodiment of the invention.

Figure 14 is the part schematic perspective view of cutting machine in the embodiment of the invention.

Figure 15 is the schematic perspective view of cutting machine in the embodiment of the invention, and cutter unit is in obliquity.

Figure 16 is the sketch map of cutting machine in the embodiment of the invention.

Figure 17 is Figure 16 partial enlarged drawing.

Wherein

30.base 31.saw blade axis 32. workbench

34. supportingmechanism 35.electric machine casings 36. cutter units

38.saw blade 40.first axles 41. backstop grooves

42. base support face 43.backstop bolts 44. guardrails

45.lower limit mechanism 46. workbench supporting surfaces, 47. vertical abutment faces

Retainingmechanism 52.tilt lock mechanism 48. cuttinggroove 50. is cut sth. askew

54.connector 55.stopper slots 56. bracing frames

57.spacer pin 58.longitudinal axis 59. longitudinal axis axis

60. viahole 62. bearing pins 64. left plates

66.right plate 67.second axis 68. connecting plates

70. connectinghole 71. sweep-uppipes 72. pin shaft holes

73.dust exhaust apparatus 74. pivoting holes 76. receiving spaces

78. retainingmechanism 80. operatingparts 81. butting sections

82. lockingmember 83.mating grooves 84. lock shafts

86. flatsquare hole 88.actuators 90. flat square holes

92. connectingrod 94. first pins 96. second pins

98. gatheringsill 100. adjustment holes 102. governor motions

104. installinghole 106. regulating blocks 108. adjustment screw

109.hole 111. lock-screws, 112. stop surfaces

113. the 3rd axis 114. connectingrods 115. four axistyles

116. stoppart 117. the5th axis 118. first ends

120. second end, 122. first ends, 124. second ends

126.limited block 128. first abutment faces 130. second abutment faces

132. inclined-plane 140.sloped position mechanisms 142. retainers

144.keeper 146. locating surfaces one 148. locating surfaces two

150. locating surface 3 152. locating surfaces 4 154. boss

156. first installed surface, 158. second installed surfaces, 160. intersections

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment the present invention is described further.

As shown in Figure 1; Cutting machine comprisesbase 30, rotatingly be arranged onworkbench 32 on thebase 30, be connected the supportingmechanism 34 on theworkbench 32 and pivot and be connected thecutter unit 36 on the supportingmechanism 34; Whereincutter unit 36 comprise with supportingmechanism 34 pivot thesecure shroud 33, theelectric machine casing 35 that is fixedly connected withsecure shroud 33 that are connected, be contained in that driving sawblade 38 centers onsaw blade axis 31 motor rotating (not shown) in theelectric machine casing 35; Thiscutter unit 36 is aroundfirst axle 40 rotating being arranged on the supportingmechanism 34; Makecutter unit 36 rotate up and down, be convenient to sawblade 38 cut workpiece around first axle 40.In description of the invention, only if point out in addition, the direction term like left, right, front and rear, upper and lower etc., all is the direction with respect to normal this cutting machine of use, as definition near the operator be the front side of cutting machine, be the rear side of cutting machine away from the operator.

Cutter unit 36 rotates between upper limit position and lower position aroundfirst axle 40, and as shown in Figure 1,cutter unit 36 is in upper limit position, and is correspondingly as shown in Figure 2, andcutter unit 36 is in upper limit position.

As shown in Figure 2,cutter unit 36 comprises abackstop groove 41, and supportingmechanism 34 is provided with backstop bolt 43.As shown in Figure 1,backstop groove 41 cooperates withbackstop bolt 43, defines the upper limit position ofcutter unit 36, prevents that like thiscutter unit 36 from too up moving.

As shown in Figure 2, cutting machine also is provided withlower limit mechanism 45, and thislower limit mechanism 45 defines the upper/lower positions ofcutter unit 36, prevents like this thatcutter unit 36 from too moving down to destroy the table top of base for supporting 30.And the concrete structure oflower limit mechanism 45 is described in detail in the back.

As depicted in figs. 1 and 2,base 30 has thebase support face 42 of supporting workpiece in the horizontal direction.Onbase 30, be arranged withguardrail 44, thisguardrail 44 has andbase support face 42 vertically disposed vertical abutment faces 47, is mainly used in the vertical direction against workpiece, is convenient to cutting.

Workbench 32 has and is used for theworkbench supporting surface 46 of supporting workpiece in the horizontal direction, and thisworkbench supporting surface 46 flushes withbase support face 42 basically, and both match and are used for the togethersupport workpiece.Workbench 32 is provided with the cuttinggroove 48 that longitudinally extends, and sawblade 38 part at least stretches into this cutting groove 48.Workbench 32 rotating being arranged on the base 30make workbench 32 can drivecutter unit 36 and rotate with respect tobase 30, are convenient to carry out the adjustment of the oblique cutting of level, and what just those skilled in the art were alleged adjusts mis-cut angle.The rotation ofworkbench 32 changes the angle ofsaw blade 38 with respect toguardrail 44, but keepssaw blade 38 vertical with respect to workbench 32.Cutting machine is provided withworkbench 32 is locked in theretaining mechanism 50 of cutting sth. askew on thebase 30.

As shown in Figure 3, supportingmechanism 34 comprisesconnector 54 and the bracingframe 56 that is connected withconnector 54.

Connector 54 can be fixedly mounted on theworkbench 32, also can be pivotally connected on theworkbench 32.

Cutter unit 36 has the upright position with respect toworkbench 32, and in this upright position, sawblade 38 is perpendicular to this workbench 32.In the present embodiment;Connector 54 is through thelongitudinal axis 58 rotating being connected on theworkbench 32; So that realize thatconnector 54drives cutter unit 36relative workbench 32 and rotates aroundlongitudinal axis axis 59; Just supportcutter unit 36 and rotating with clockwise at least one direction counterclockwise, thereby the inclined cut of being convenient to sawblade 38 in the vertical directions is adjusted with respect to the upright position.What just those skilled in the art were alleged adjusts the angle of inclination.The rotation ofconnector 54 changes the angle ofsaw blade 38 with respect toworkbench 32, but keepssaw blade 38 vertical with respect to guardrail 44.Accessible like those skilled in the art institute, mis-cut angle and angle of inclination can be adjusted respectively or adjust simultaneously so that realize compound cuts.

Cutting machine is provided withconnector 54 is locked in thetilt lock mechanism 52 on theworkbench 32.

Thelongitudinal axis 58 laterally arranges with the bearing of trend of cutting groove 48.In the present embodiment, thelongitudinal axis 58 is fixed on theworkbench 32, andconnector 54 is provided with the viahole 60 of accommodating thelongitudinal axis 58, and thelongitudinal axis 58 is arranged in the via hole 60.Certainly, those skilled in the art should expect that thislongitudinal axis 58 also can be arranged on theconnector 54, andworkbench 32 is provided with the via hole of accommodating thelongitudinal axis 58.

Bracingframe 56 mobilizable being connected on theconnector 54, being convenient to bracingframe 56 can move on the bearing of trend of cuttinggroove 48 with respect to connector 54.And bracingframe 56 will drivecutter unit 36 and on the bearing of trend of cuttinggroove 48, produces and move produce moving on the bearing of trend of cuttinggroove 48, thus the cutting power of change cutting machine.

Bracingframe 56 can be arranged on theconnector 54 through the mode of sliding, and also can be arranged on theconnector 54 through the mode that pivots.In the present embodiment, bracingframe 56 is through bearingpin 62 rotating being connected on theconnector 54, adjusts being parallel onlongitudinal axis axis 59 directions with respect toconnector 54 so that bracingframe 56 drivescutter units 36, thereby changes the cutting power of cuttingmachine.Bearing pin 62 hassecond axis 67, and in the present embodiment,second axis 67 laterally arranges withfirst axle 40, and certainly, thissecond axis 67 also can be obliquely installed with respect tofirst axle 40.

Again referring to Fig. 3, bracingframe 56 comprises left andright side plate 64 and 66 and the connectingplate 68 that is connected left andright side plate 64 and 66.Left andright side plate 64 and 66 roughly is symmetrical set with respect to connectingplate 68; The two ends that all have longitudinal extension; Wherein first end of left andright side plate 64 and 66 corresponding be provided with connectinghole 70;Connector 54 is provided withpin shaft hole 72, and bearingpin 62 is arranged inpin shaft hole 72 and the connectinghole 70, thereby with bracingframe 56 rotatable being arranged on the connector 54.Cutter unit 36 is connected on the bracingframe 56 through the rotating shaft (not shown) is rotating; Second end of left andright side plate 64 and 66 corresponding be provided with pivotinghole 74;Cutter unit 36 is provided with the shaft hole (not shown); The rotating shaft (not shown) is arranged in pivotinghole 74 and the shaft hole, therebycutter unit 36 is arranged on the bracingframe 56 rotationally.

Again referring to Fig. 3 and Fig. 4; Connectingplate 68 is arranged on the position near left andright side plate 64 and 66 second ends; Connectingplate 68 has formed the receivingspace 76 that is used to holdconnector 54 with left andright side plate 64 and 66 first ends in left andright side plate 64 and 66, makes that so the overall structure of cutting machine is compact more.

The left andright side plate 64 and 66 the outside are equipped with gusset and are used to increase the rigidity of bracingframe 56 and can reduce weight.In the present embodiment, left andright side plate 64 and 66 one-body molded with connectingplate 68, certainly, it will be recognized by those skilled in the art that left andright side plate 64 with 66 and connectingplate 68 can also be other connected mode, such as riveted joint, modes such as welding.

On connectingplate 68, be provided with the hole (not shown) that supplies sweep-uppipe 71 to pass, thereby betweenfirst axle 40 andworkbench 32, be provided withdust exhaust apparatus 73, the so convenient dust of collecting.

Bracingframe 56 is rotatably connected on theconnector 54 aroundsecond axis 67, and rotates within the specific limits.But only after arriving at least two predetermined operating positions, carry out cutting work, and can't carry out cutting work in respect toconnector 54 rotating process at bracing frame 56.In the present embodiment, this cutting machine has two predetermined operating positions, certainly, can be provided with three or more work position as required.

At least two projections of predetermined operating position on thelongitudinal axis 58 directions are arranged in order.That is to say, though second support member direction of motion actual with respect to first support member is not necessarily to be parallel to thelongitudinal axis 58 directions, this actual motion direction be parallel on thelongitudinal axis 58 directions important.

Bracingframe 56 andconnector 54 both one of them are provided with stopper slot, wherein another is provided with spacer pin.In the present embodiment,connector 54 is provided withspacer pin 57, and bracingframe 56 is provided withstopper slot 55, andspacer pin 57 is contained in thestopper slot 55, thereby has limited the slewing area of bracingframe 56 with respect to connector 54.Like Fig. 5 and shown in Figure 7, whenspacer pin 57 is positioned at the last side position ofstopper slot 55, this cutting machine is positioned at first operating position, like Fig. 6 and shown in Figure 8.Whenspacer pin 57 is positioned at the forward position ofstopper slot 55, this cutting machine is positioned at second operating position.

Like Fig. 5 and shown in Figure 6; Center in second axis, 67 rotating process at bracingframe 56; Thefirst axle 40 thatcutter unit 36 centers on also can be done circular motion around thissecond axis 67; Be convenient tofirst axle 40 and on the bearing of trend that is parallel to cuttinggroove 48, adjust, thereby change the position ofsaw blade 38, be used to satisfy various split requirements with respect toguardrail 44.

This cutting machine has a datum plane A, and this datum plane is perpendicular to workbench supportingsurface 46 and pass the plane ofsecond axis 67 in the upright position.First axle 40 passes this datum plane A aroundsecond axis 67 and does circular motion, and when at least two predetermined operating positions,first axle 40 preferably is symmetrical set with respect to this datum plane A; Certainly, thisfirst axle 40 can not be symmetrical set with respect to this datum plane A yet.First axle 40 is symmetrical set with respect to datum plane A, and thesaw blade axis 31 ofsaw blade 38 equates with the minimum range ofworkbench supporting surface 46 when conveniently being implemented in predetermined operating position.

Like Fig. 5 and shown in Figure 6;Cutter unit 36 is in the lower position, and the distance W 1 between thevertical abutment face 47 ofsaw blade axis 31 and theguardrail 44 of cutting machine when first operating position issaw blade axis 31 and the vertical distance W 2 between theabutment face 47 during in the second place greater than cutting machine.So, the cutting power of cutting machine when first operating position and second operating position is with different.But in the present embodiment, cutting machine is when first operating position and second operating position, and thesaw blade axis 31 ofsaw blade 38 all equates with the minimum range H ofworkbench supporting surface 46.

Like Fig. 7 and shown in Figure 8;Cutter unit 36 is in upper limit position, and sawblade axis 31 and the distance L 1workbench supporting surface 46 between of cutting machine when first operating position be the distance L 2 betweensaw blade axis 31 and theworkbench supporting surface 46 during in the second place less than cutting machine.So, cutting machine in first operating position during with second operatingposition cutter unit 36 different around the anglec of rotation offirst axle 40, be respectively that about 53 degree are spent with 43, differ about 10 and spend.

Referring to Fig. 5, cutting machine is positioned at first operating position again, and at this moment,first axle 40 is positioned at the front side of datum plane A.In this first operating position, sawblade 38 makes this cutting machine cut wide or have bigger advantage at cutting hat material workpiece relatively more near the front side of workbench 32.As can cutting-height be 91/2 inch hat material workpiece, perhaps higher; Maybe can cut the rectangle workpiece of 2*10 inch, even width surpasses 10 inches workpiece.Certainly, can not pass the virtual intersection point ofvertical abutment face 47 and cuttinggroove 48, so when cutting rectangle workpiece, need the workpiece bed hedgehopping just can be cut by supporting pad becausesaw blade 38 is earlier.

Referring to Fig. 6, cutting machine is positioned at second operating position again, and at this moment,first axle 40 is positioned at the rear side of datum plane A.In this second operating position; Distance W 2 between thesaw blade axis 31 ofsaw blade 38 and thevertical abutment face 47 ofguardrail 44 is less than cutting machine sawblade axis 31 and vertical distance W 1 between theabutment face 47 when the primary importance;Saw blade 38 is relatively more near the rear side ofworkbench 32; So, this cutting machine is being cut wide or is being received certain restriction at the height that cuts hat material workpiece.But in this position, sawblade 38 can pass the virtual intersection point ofvertical abutment face 47 and cuttinggroove 48 all the time, so be to have certain advantage at cutting rectangle workpiece.

So, the operator just can be chosen in first operating position or cutting work is carried out in second operating position according to actual needs.Owing to can carry out cutting work at least two predetermined work positions, improve the cutting power of cutting machine; This cutting machine is arranged on bracingframe 56 on theconnector 57 rotationally, realizescutter unit 36 moving on the bearing of trend of cuttinggroove 48 through rotating, and has avoided the friction of sliding and producing, thereby has improved the comfortableness of this cutting machine operation.

Cutter unit 36 rotates with respect toconnector 54 aroundsecond axis 67 with bracingframe 56 together, when bracingframe 56 arrives predetermined operating position, and need the position of bracingframe 56 is fixing with respect to connector 54.Thereby guarantee in cutting process; Thefirst axle 40 thatcutter unit 36 centers on is also with respect toconnector 54 orworkbench 32 relative fixed; So makecutter unit 36 just can center on respect to being thefirst axle 40 upper and lower pivot cut workpiece that workbench 32 is fixed; Thereby make simple to operately, also improved cutting accuracy.

Like Fig. 3, Fig. 9 and shown in Figure 10, cutting machine further comprises retainingmechanism 78, and thisretaining mechanism 78 has the locking state and the releasing orientation that allows bracingframe 56 to move with respect toconnector 54 that bracingframe 56 is fixed at least two predetermined operating positions.

Thisretaining mechanism 78 is applicable to that bracingframe 56 pivots are connected on theconnector 54, are applicable to that also bracingframe 56 is slidingly connected on theconnector 54.

Referring to Fig. 3; Retainingmechanism 78 comprises operatingparts 80, the lockingmember 82 that is connected with operatingparts 80 and is arranged on the counterpart on theconnector 54;Operating parts 80 mobilizable being arranged on the bracingframe 56 wherein are used to impel lockingmember 82 between the locked position that cooperates with counterpart and disengagement and released position that counterpart cooperates, to move.

Operatingparts 80 is throughlock shaft 84 rotating being installed on the bracing frame 56.In the present embodiment, lockshaft 84 is connected between left andright side plate 64 and 66.

Operatingparts 80 has the grip part that laterally arranges withlock shaft 84, and the handled easily person operates and grips.

In the present embodiment; Be connected with twoactuators 88 at the two ends oflock shaft 84; And thisactuator 88 is symmetrical set between left andright side plate 64 and 66 and with respect to the center oflock shaft 84, and operatingparts 80impels locking member 82 between locked position and released position, to move throughactuator 88.

Lock shaft 84 is flat square shafts, and operatingparts 80 is provided with flatsquare hole 86, and operatingparts 80 is fixed together withlock shaft 84 through flatsquare hole 86, and is arranged between left andright side plate 64 and 66.

Equally, also be provided with flatsquare hole 90 on theactuator 88,actuator 88 is fixed together withlock shaft 84 through flat square hole 90.Certainly, those skilled in the art can learn that operatingparts 80 can be riveted or weld together withactuator 88, can certainly be one-body molded as the operating parts that drives lockingmember 82.

In the present embodiment, retainingmechanism 78 comprises two symmetrically arranged lockingmembers 82, and thisretaining mechanism 78 further comprises two connectingrods 92, and connectingrod 92 is used to connect lockingmember 82 and actuator 88.In the present embodiment, connectingrod 92 is roughly arc, and arcuate structure can play cushioning effect, is convenient to make and rotate.Certainly, connectingrod 92 also can be straight-bar or other form.

First end of connectingrod 92 pivots withactuator 88 throughfirst pin 94 and is connected; Second end of connectingrod 92 is connected with lockingmember 82 through second pin 96.When operatingparts 80 during around the axis rotation oflock shaft 84,actuator 88drives connecting rods 92 and rotates, thereby has changed the distance between the axis ofsecond pin 96 andlock shaft 84.

As shown in Figure 9, the connectingplate 68 of bracingframe 56 is provided with the gatheringsill 98 that longitudinally extends, and this gatheringsill 98 is used to accommodate locking member 82.When operatingparts 80 centers on the axis rotation oflock shaft 84; Changed the distance between the axis ofsecond pin 96 andlock shaft 84, thereby impelled lockingmember 82 moving between the released position of the locked position of counterpart and the part that disengages along the bearing of trend of gathering sill 98.So, the rotation of operatingparts 80 linearity that converts lockingmember 82 to moves.

Counterpart is the mating groove that is arranged on the connector 54.In the present embodiment; As shown in Figure 3; Correspondence is provided with 83, two lockingmembers 82 of two mating grooves one of them cooperates with two mating grooves of acorresponding side 83 respectively simultaneously in the both sides ofconnector 54, thereby makes bracingframe 56 to fix in predetermined operating position with respect to connector 54.Certainly, the number of thismating groove 83 should be equal to or greater than predetermined operating position.

When bracingframe 56 turns to predetermined operating position aroundsecond axis 67; Rotary manipulation spare 80; The distance of the axis ofsecond pin 96 andlock shaft 84 is strengthened, andpromotion locking member 82 moves to the locked position that insertsmating groove 83 along the bearing of trend of gatheringsill 98, and is as shown in Figure 9; Thereby bracingframe 56 is in locking state, and at this moment the buttingsection 81 of operatingparts 80 is resisted against on the bracing frame 56.At this locking state, the friction between lockingmember 82 and themating groove 83 impels operatingparts 80 to keep stable.

Correspondingly, shown in figure 10, oppositespin operating parts 80; Make and be positioned at second fixed position; The grip part of operatingparts 80 andlock shaft 84 are positioned on the same horizontal plane basically, the distance betweensecond pin 96 and the axis oflock shaft 84 of so furthering, thus lockingmember 82 moved to the released position of thegroove 83 that disengages along the bearing of trend of gatheringsill 98; Thereby bracingframe 56 branches to releasing orientation, its relativelyconnector 54 freely rotate.At this releasing orientation, the friction between lockingmember 82 and the gatheringsill 98 impels operatingparts 80 to keep stable; So, only need a rotating operation spare 80 just can easily bracingframe 56 be changed between locking state and releasing orientation, and need not to use other structure just can so that operatingparts 80 stablize in this two states maintenance.

Certainly, if retainingmechanism 78 only comprises lockingmember 82,mating groove 83 and theactuator 88 that is arranged on bracingframe 56 1 sides, equally also can realize bracingframe 56 is locked at the effect ofconnector 54.

Like Fig. 3 and shown in Figure 11, left andright side plate 64 and the 66 corresponding adjustment holes 100 that are provided with,lock shaft 84 is arranged in twoadjustment holes 100, thereby with operatingparts 80 rotatable being installed on the bracing frame 56.Owing to reasons such as installation, wearing and tearing, in the present embodiment,adjustment hole 100 is that mounting hole is convenient to lockshaft 84 and is moved relative to it.

Cutting machine comprises thatgovernor motion 102 is used to regulatelock shaft 84 positions.

Governor motion 102 correspondences are arranged on left andright side plate 64 and 66, and are positioned at the outside of left andright side plate 64 and 66.Thisgovernor motion 102 comprises regulatingblock 106 with installinghole 104,drive adjustment screw 108 that regulatingblock 106 moves and regulatingblock 106 is installed in the lock-screw 111 on left andright side plate 64 and 66.The two ends oflock shaft 84 are located in respectively inadjustment hole 100 and the installinghole 104, thereby with operatingparts 80 rotatable being installed on the bracingframe 56;Adjustment screw 108 is located in thehole 109 in left andright side plate 64 and 66.And when needs are regulated, only need unclamp lock-screw 111, and adjustedscrew 108 moves up or down the promotion regulating block again, and the lock-screw 111 of screwing again behind the arrival correct position gets final product.

Cutting machine also comprises thelower limit mechanism 45 that is arranged betweencutter unit 36 and the supporting mechanism, and thislower limit mechanism 45 is used to limit the vertically movably upper/lower positions ofsaw blade 38, destroys the table top of base for supporting 30 to prevent thatsaw blade 38 from too moving down.In the present embodiment, because bracingframe 56 rotating being arranged on theconnector 54,first axle 40 thatcutter unit 36 centers on also can be changed with respect to the distance ofworkbench 32 in the vertical directions.And movably the lower position is all identical when at least two predetermined operating positions in order to guaranteecutter unit 36, thus but being installed on supportingmechanism 34 and thecutter unit 36 with 45 servo-actuateds of lower limit mechanism.At least two predetermined operating positions, sawblade axis 31 is identical with minimum range between theworkbench supporting surface 46, the security that is used to improve cutting machine.

Like Figure 12; Figure 13 and shown in Figure 14;Lower limit mechanism 45 comprise at least two abutment faces being arranged on thecutter unit 36, with thestop surface 112 that said supportingmechanism 34 flexibly connects, whereinstop surface 112 and abutment face lean and are used for the minimum range between definitesaw blade axis 31 and the workbench supporting surface 46.And the abutment face number should be not less than the number of predetermined operating position.

Whereinstop surface 112 and bracingframe 56 interlocks.In the present embodiment, thesestop surface 112 rotating being arranged on the supporting mechanism 34.And the rotation direction ofstop surface 112 is identical with the rotation direction of support frame as described above 56.

Bracingframe 56 aroundsecond axis 67 with respect toconnector 54 rotating process in; Stopsurface 112 also can rotate around axis, and there is certain geometric ratio relation in the movement locus that the movement locus ofstop surface 112 andfirst axle 40 center on second axis 67.The existence of this geometric ratio relation makes the abutment face that is arranged on thecutter unit 36 on the movement locus ofstop surface 112, lean withstop surface 112; Just can guarantee that when at least two predetermined operating positions sawblade axis 31 equates with minimum range between theworkbench supporting surface 46.

Cutting machine also comprises stoppart 116 and the connecting rod 114 that is connected withstop part 116 pivots; Whereinfirst end 118 of connecting rod 114 pivots through the3rd axis 113 and is connected on the bracingframe 56, andsecond end 120 pivots through fouraxistyle 115 and is connected on the saidstop part 116;First end 122 of saidstop part 116 pivots through the5th axis 117 and is connected on theconnector 54, and stopsurface 112 is arranged onsecond end 124 of stop part 116.Wherein the 3rd, the 4th, the 5th axis 113,115 and 117 is parallel to each other.Can certainly first end ofstop part 116 be pivoted is connected on the bracingframe 56, and second end is connected on the connecting rod 114 through pivot; First end of connecting rod 114 pivots and is connected on theconnector 54, and stopsurface 112 is arranged on second end of connecting rod 114.

In the present embodiment,second end 120 of this connecting rod 114 rotates is connected roughly centre position ofstop part 116.

In the present embodiment, the cross section ofstop part 116 be U-shaped and relatively connecting rod 114 be symmetrical set, stopsurface 112 is formed on the end face of second end of stop part 116.The cross section ofstop part 116 reduces tosecond end 124 fromfirst end 122 gradually.Certainly, the cross section of thisstop part 116 also can be other shape.

Onsecure shroud 33, be provided with limited block 126.Abutment face is formed on thislimited block 126, and is provided with the position that on the movement locus ofstop surface 112, leans withstop surface 112.

In the present embodiment, thislimited block 126 has the opening that part is accommodatedstop part 116, and abutment face is located in this opening.

Limited block 126 comprisesfirst abutment face 128 andsecond abutment face 130 of step, like Fig. 5 and shown in Figure 13, in first operating position,first abutment face 128 and stopsurface 112 against; Like Fig. 6 and shown in Figure 14, in second operating position,second abutment face 130 and stopsurface 112 against.

First abutment face 128 is connected through inclined-plane 132 with second abutment face 130.Andfirst abutment face 128 and the 130 not parallel settings of second abutment face.

Secure shroud 33 has the bottom surface towardsworkbench supporting surface 46; Limited block 12 has the lower surface towards saidworkbench supporting surface 46; Wherein bottom surface or coincidence setting parallel with lower surface, but the distance of the lower surface of limited block andworkbench supporting surface 46 is not more than the distance of the bottom surface and theworkbench supporting surface 46 ofsecure shroud 33.

When bracingframe 56 rotates with respect toconnector 54 aroundsecond axis 67; Can drive the3rd axis 113 rotates together; Thereby connecting rod 114 can impel stoppart 116 to rotate around the5th axis 117, and the rotation direction ofstop part 116 is identical with the direction of the rotation of bracing frame 54.Stopsurface 112 movement locus around the movement locus of the5th axis 117 andfirst axle 40 aroundsecond axis 67 that is arranged on thestop part 116 exists certain geometric ratio to concern.

Like Fig. 5 and shown in Figure 13, in first operating position,first abutment face 128 leans on the movement locus of the5th axis 117 at thisstop surface 112 withstop surface 112, and the distance betweensaw blade axis 31 and theworkbench supporting surface 46 is H; Like Fig. 6 and shown in Figure 14, in second operating position,second abutment face 130 leans on the movement locus of the5th axis 117 at thisstop surface 112 withstop surface 112, and the distance betweensaw blade axis 31 and theworkbench supporting surface 46 also is H.That is to say that at least two predetermined operating positions, sawblade axis 31 is identical with minimum range between the workbench supporting surface 46.So improved the security of cutting machine.

Like Figure 15, Figure 16 and shown in Figure 17, cutting machine also are provided with slopedposition mechanism 140, are used for confirming the angle of inclination ofcutter unit 36 with respect toworkbench 32 in the vertical directions.Thissloped position mechanism 140 comprises theretainer 142 and themovable keeper 144 that is arranged on theconnector 54 that is arranged on the workbench 32.Certainly,retainer 142 also can be arranged on theconnector 54, andkeeper 144 movable being arranged on theworkbench 32.

In the double pendulum cutting; Thissloped position mechanism 140 need be provided with two retainers and two keepers; And in the upright position; These two retainers relatively are symmetricly set onworkbench 32 andconnector 54 on one of them withsaw blade 38, and two keepers are symmetricly set onworkbench 32 andconnector 54 wherein on another withsaw blade 38 relatively, and so just can limit approximately is at aleft side 50 degree angle of inclination between the scope spent of theright side 50 extremely; And if in single pendulum cutting; 140 need of this sloped position mechanism are provided with a retainer and a keeper; And this retainer and keeper are arranged on the left side or the right side of saw blade, so just can limit the angle of inclination between aleft side 50 degree to 0 degree or 0 degree to right 50 degree.Certainly, also can confirm to surpass the inclination of 50 degrees angle.

In the present embodiment,retainer 142 is two, is symmetricly set on theworkbench 32.Keeper 142 also is two, is symmetricly set on theconnector 54.

Keeper 144 rotating being installed on theconnector 54, certainly, thiskeeper 144 also can be installed on theconnector 54 with mode slidably.

Keeper 144 comprises at least two locating surfaces with different axis degree of depth.These locating surfaces can be steps, also can be screw type.If the locating surface of step, locating surface wherein also can be to be arranged in parallel or to be obliquely installed.In the present embodiment,keeper 144 comprises a plurality of parallel locating surfaces, at least one step, and each step makes contiguous plane have different axial depth separately; Throughrotational positioning part 144, a plurality of parallel locating surfaces are selectable to be contacted withretainer 142, is used for confirming the angle of inclination ofcutter unit 36 with respect toworkbench 32.

In the present embodiment,retainer 142 is mounted in the dogbolt on theworkbench 32, and thisdogbolt 142 provides a plane to be used for contacting with the locating surface of keeper 144.When cutting machine use a period of time or when producing installation; The angle of inclination that needs accurate thissloped position mechanism 140 to confirm; At this moment can rotatedogbolt 142, thereby make it accurately set concrete angle of inclination with respect to the rotation of the screwed hole on theworkbench 32.

Connector 54 is provided withboss 154, and thisboss 154 comprises first installedsurface 156 that is used for installing and locating part 144.In the present embodiment, in the upright position, first installedsurface 156 is 45 degree angles with the plane atsaw blade 38 places.Certainly, the plane at first installed surface and sawblade 38 places also can not be 45 degree angles.

In this embodiment, akeeper 144 is installed on first installedsurface 156, the locating surface ofkeeper 144 is parallel to first installedsurface 156.

Boss 154 comprises that further second installed surface, 158, the firstinstalled surfaces 156 and second installedsurface 158 that are used for installing and locatingpart 144 are vertically intersected on anintersection 160, and in the upright position,intersection 160 is positioned at the plane atsaw blade 38 places.

In this embodiment, anotherkeeper 144 is installed on second installedsurface 158, the locating surface ofkeeper 144 is parallel to second installedsurface 158.

Keeper 144 is through rotating being installed on theconnector 54 of locating shaft (not label), and is positioned atconnector 54 bottom.Each locating surface ofkeeper 144 all perpendicular to the axis direction of locating shaft, certainly, can make as required that also the locating surface of thiskeeper 144 and the axis direction of locating shaft are obliquely installed.

In the present embodiment; Thiskeeper 144 has four steps; These steps have been confirmed the locating surface of four different axial depth, are respectively locating surface 1, locating surface 2 148, locating surface 3 150 and locating surface 4 152, these four locatingsurfaces 146; 148,150 and 152 axial depth is successively decreased successively.When these four locating surfaces 146,148,150 and 152 contact withdogbolt 142 respectively, can confirm respectivelycutter unit 36 with respect to the angle of inclination ofworkbench 32 be about 45 degree, about 46 degree, about 47 degree, about 48 degree.The outline ofkeeper 144 is roughly square, and these four locating surfaces 146,148,150 and 152 are evenly distributed on the circumference ofkeeper 144, and contiguous locating surface connects with circular arc, thus handled easily person positioning ofrotating part 144.

During concrete operations; If when needing the angle of inclination of a cuttingleft side 45 degree; The locating surface 1 that only needs to be arranged on thekeeper 144 in left side rotate to can with contacted position, the plane ofdogbolt 142; So, the locating surface 1 ofkeeper 144 is contacted withdogbolt 142, just can confirm the angle of inclination of aleft side 45 degree.The rest may be inferred, during like need cutting 46 degree or 47 degree or 48 degree angles of inclination, only needs locating surface corresponding with it to rotate to and can get final product with contacted position, the plane of dogbolt 142.Like this, this cutting machine can cut the angle of inclination of 45 degree, also can cut the above angle of inclination of 45 degree, and need not just can confirm 46 degree, 47 degree etc. fast by pointer and scale.Certainly, if needs are arranged, also can cut any angle of inclination between aleft side 50 degree to right 0 degree.

Claims (13)

1. cutting machine comprises:

Workbench, have supporting workpiece the workbench supporting surface, be arranged at the cutting groove that extends along lengthwise on the said workbench;

Connector is connected with said workbench;

Bracing frame is connected with said connector;

Cutter unit is rotatably connected on support frame as described above and has the upright position with respect to said workbench around first axle, and said cutter unit comprises motor and the saw blade that is driven by the motor rotation, and said saw blade part at least stretches into said cutting groove;

It is characterized in that: support frame as described above is rotatably connected to and makes bracing frame move on the bearing of trend of said cutting groove with respect to connector on the said connector; And support frame as described above is fixed at least two predetermined operating positions with respect to said connector, and said cutting machine only carries out cutting work in said predetermined operating position.

2. cutting machine according to claim 1 is characterized in that: support frame as described above is rotatably connected on the said connector around second axis, and said second axis and said first axle laterally arrange.

3. cutting machine according to claim 2; It is characterized in that: said cutting machine has in the upright position perpendicular to said workbench supporting surface and passes the datum plane of second axis; Said cutting machine is when at least two predetermined operating positions, and said first axle is symmetrical set with respect to said datum plane.

4. cutting machine according to claim 1 is characterized in that: said cutting machine further comprises the retaining mechanism that support frame as described above is fixed on said at least two predetermined operating positions.

5. cutting machine according to claim 4 is characterized in that: said retaining mechanism comprise mobilizablely be arranged on operating parts on the bracing frame, be arranged on the connector counterpart and under the operating parts effect at the locking member that moves between the locked position that cooperates with counterpart and disengagement and the released position that counterpart cooperates.

6. cutting machine according to claim 5 is characterized in that: said operating parts is installed on the support frame as described above through the lock shaft that is parallel to said first axle is rotating.

7. cutting machine according to claim 6 is characterized in that: on said lock shaft, be provided with the actuator that is used to connect locking member, said operating parts impels locking member between locked position and released position, to move through said actuator.

8. cutting machine according to claim 7 is characterized in that: said actuator is symmetricly set on the two ends of said lock shaft, and said operating parts is between said two actuators.

9. cutting machine according to claim 7 is characterized in that: said retaining mechanism further comprises the connecting rod that is used to connect locking member and actuator, and first end of said connecting rod pivots with said actuator through first pin and is connected; Second end of said connecting rod is connected with said locking member through second pin.

10. cutting machine according to claim 5; It is characterized in that: support frame as described above is provided with the gathering sill that lengthwise extends; Said gathering sill is used to accommodate said locking member, and the relative support frame as described above of said operating parts rotates, and impels said locking member to move along the bearing of trend of said gathering sill.

11. cutting machine according to claim 5 is characterized in that: said counterpart is arranged on the mating groove on the connector.

12. cutting machine according to claim 1 is characterized in that: support frame as described above comprises left plate, right plate and is connected the connecting plate of left and right side plate, and said left and right side plate is symmetrical set with respect to said connecting plate.

13. cutting machine according to claim 12 is characterized in that: said left and right side plate and said connecting plate are formed for accommodating the receiving space of said connector.

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